SQL Basics with Real Queries: SELECT, JOIN and GROUP BY Examples
Learn SQL with one small shop database: CREATE, INSERT, SELECT, WHERE, ORDER BY, GROUP BY, INNER and LEFT JOINs, UPDATE and DELETE, each with its real result table.
Docker Basics for Beginners: Dockerfile, Compose and a Working Example
Learn Docker hands-on: images vs containers, a Dockerfile for a Python API, build, run, ps, logs and stop, then Docker Compose with PostgreSQL. All commands tested.
REST APIs Explained with Code Examples: Flask, Express and fetch
What REST really means, HTTP methods and status codes in tables, then the same books API built in Flask and Express, tested with curl and called with fetch.
Git and GitHub for Beginners: Commands, Branches and Merge Conflicts
Learn Git and GitHub step by step: setup, init, add, commit, push, pull, branches and merging, resolving a real merge conflict, .gitignore and a handy cheat-sheet.
React vs Angular vs Vue Compared: The Same Todo App in All Three
We built the same todo component in React 19, Angular 22 and Vue 3, then built and tested each. See the code side by side, a comparison table and when to pick which.
Python vs JavaScript vs Java: Which Programming Language Should You Learn First?
Python, JavaScript or Java first? A side-by-side comparison, the same program in all three (tested), real use cases and a careful look at the Indian job market.